Hi all,
We are trying to get to the bottom of some odd intermittent behavior on a cluster. We are intermittently seeing nodes leave and rejoin clusters, without being fenced. Further the gap between leaving on re-joining is 8 minutes. We are monitoring the latency between boxes, and it is acceptable (<5ms).
How can nodes exhibit this behavior? There seem to be no impact on the services running on the box, just this leaving and re-joining. The SNMP messages are below.
All help decoding this gratefully received! :)
Thanks,
Matt
Sat Dec 10 15:30:25 GMT 2011: cluster3.localdomain DISMAN-EVENT-MIB::sysUpTimeInstance = 3:3:00:48.75, SNMPv2-MIB::snmpTrapOID.0 = COROSYNC-MIB::corosyncNoticesNodeStatus, COROSYNC-MIB::corosyncObjectsNodeName.0 = "cluster1.localdomain", COROSYNC-MIB::corosyncObjectsNodeID.0 = 1, COROSYNC-MIB::corosyncObjectsNodeAddress.0 = "10.79.202.1", COROSYNC-MIB::corosyncObjectsNodeStatus.0 = "joined"
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